User guide

23-11
Thermostats, component-tested
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Sealing pipe thermostat with well.
For safety temperature control, and in addition high temperature shut-off functionality.
Accessories
Sealing pipe thermostat with well.
The temperature monitor can be used for heating systems according to DIN 4751 for steam and hot
water systems and for district heating systems.
Accessories
Safety limiting thermostat with setpoint knob, shut-off, automatic reset (STWTR)
Protection class IP54
Housing material Aluminium diecasting with plastic cover
Ambient temperature 0 ... 80
o
C
Switch function/capacity safety control switch SPDT 230 Vac, 10 A; shut-off temperature
switch SPST 230 Vac, 10 A
Mechanical lock/reset shut-off mechanical lock, automatic reset
Immersion depth 150 mm
Certificates TUEV-approval TR / STW (STB)89 901 S
Thermostat application immersion tube therm. + controller
Thermostat functions temp. setting inside + outside, reset inside
Temp. setpoint range 20 ... 150
o
C
Mounting place in pipe
Immersion well material red brass, nickel plated
Immersion well thread R1/2"
Max. perm. temp. at sensor 175
o
C
Additional description Safety control switching differential approx. 4% of setpoint value.
Shut-off temperature: 20..150
o
C adjustable.
Type
STW+TRF
Steel well R1/2" x 150 mm
T5NST
Safety limiting thermostat, automatic reset (TWP1)
Protection class IP54
Housing material Aluminium diecasting with plastic cover
Ambient temperature 0 ... 80
o
C
Switch function/capacity SPDT 230 Vac, 10 A
Mechanical lock/reset no mechanical lock
Immersion depth 100 mm
Certificates TUEV-approval TW 89 201
Thermostat application immersion tube thermostat
Thermostat functions temp. setting inside, automatic reset
Temp. setpoint range 20 ... 150
o
C
Mounting place in pipe
Immersion well material red brass, nickel plated
Immersion well thread R1/2"
Max. perm. temp. at sensor 175
o
C
Type
TWP1F
Steel well R1/2" x 150 mm
T4NST